ENS 54978
From kanterella
Jump to navigation
Jump to search
ENS Event | |
|---|---|
10:19 Nov 2, 2020 | |
| Title | Automatic Reactor Trip Due to Control Element Drive Mechanism Control System Timer Failure |
| Event Description | On November 2, 2020, at 0419 CST, Waterford 3 experienced an automatic reactor trip due to a Control Element Drive Mechanism Control System timer failure while attempting to synchronize a second motor generator set. All control rods fully inserted.
The plant is currently in Mode 3 and stable with normal feedwater feeding and maintaining both Steam Generators. The NRC Senior Resident Inspector has been notified. The cause of the failure is still under investigation. |
| Where | |
|---|---|
| Waterford Louisiana (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(iv)(B), RPS Actuation | |
| LER: | 05000382/LER-2020-003 Procedure Deficiency for MG Set Voltage Regulator Installation Results in a Reactor Trip |
| Time - Person (Reporting Time:+-2.15 h-0.0896 days <br />-0.0128 weeks <br />-0.00295 months <br />) | |
| Opened: | Kevin Hale 08:10 Nov 2, 2020 |
| NRC Officer: | Jeffrey Whited |
| Last Updated: | Nov 2, 2020 |
| 54978 - NRC Website
Loading map... | |
Unit 3 | |
|---|---|
| Reactor critical | Critical |
| Scram | A/R |
| Before | Power Operation (42 %) |
| After | Hot Standby (0 %) |
Retrieved from "https://kanterella.com/w/index.php?title=ENS_54978&oldid=3085815"